05000302/LER-1978-032-03, /03L-0:on 780603,interlocks on RM-A2 (Gas), Auxiliary Bldg Exhaust Monitor,Failed to Respond During SP-346,containment Penetrations Weekly Check.Caused by Faulty Control Relay in Surge Capacitor.Capacitor Renewed

/03L-0:on 780603,interlocks on RM-A2 (Gas), Auxiliary Bldg Exhaust Monitor,Failed to Respond During SP-346,containment Penetrations Weekly Check.Caused by Faulty Control Relay in Surge Capacitor.Capacitor Renewed

ML19308D236
Person / Time
Site:	Crystal River
Issue date:	06/26/1978
From:	Cooper J FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19308D136	List: 05000302/LER-1978-032, Forwards LER 78-032/03L-0 05000302/LER-1978-032-03, /03L-0:on 780603,interlocks on RM-A2 (Gas), Auxiliary Bldg Exhaust Monitor,Failed to Respond During SP-346,containment Penetrations Weekly Check.Caused by Faulty Control Relay in Surge Capacitor.Capacitor Renewed
References
LER-78-032-03L, LER-78-32-3L, NUDOCS 8002270692
Download: ML19308D236 (2)

LER-1978-032, /03L-0:on 780603,interlocks on RM-A2 (Gas), Auxiliary Bldg Exhaust Monitor,Failed to Respond During SP-346,containment Penetrations Weekly Check.Caused by Faulty Control Relay in Surge Capacitor.Capacitor Renewed

Event date:
Report date:
3021978032R03 - NRC Website

text

,

crac aoam ass u.s.muctasa urus.4rocy commission Oum UCENSEE EVENT REPOR!'

EXHIBIT A cournot stocc I. I I I I I l@

wt:4ss ensur ontype ALL manuanto =ponuanons 1 [g[_, I _ j g 0 0 q Og 0 l

0 g 0 jg 4 ; 1;1[1 [71-} lF l LI Q R) PI 3 [gl O t 0l-I O I 1

g i

4 9 L# CIA 441 CQO&

to il WGM.448'i="848 53 28 WC4964 l

• G

1. 3 "I bd con r Fa ra gj igl o s St o l -10 : 310 2 @l 0 i 6:0 i 3t 718 @l or 612l 617181@

7 8

M 68 Do6447 %*ptga en 64 t w ase r garg Ja Tb AtromfDart 64 avsur ossemmon Amo emosasta ecussoussess @

ro#2i I At 0545, the interlocks on RM-A2 (east Auxiliary Building Exhaust Monitor, i gg failed to respond during the performance of SP-346, containment genetratiorgs gI weekly check during refueling operations.

Trouble shooting revealed a i

gi failed surge capacitor which irthihited interlock function.

Grab sampling i io to i I was instituted upon discoverv. thus health and safet.7 of public and plant I

~

ia i,i l were not endangered.

rl 1

I EI E

E SEE$ca cowesast: ss s 's"Es sMEt lB I A l@* lE l@ lA l@ I Rl E!L I AlY lIl@ lA l@ l Zl@

J loist i.

.2 o

QCC.-4.q%gg aE*6 S.C.O.' egasyg Ag, a(PC.W.T

.r a.

ce==

a.

m.v..&.

@ =L... I7I al I-I I 01312 I I/l 1013I IL l W

loj

,,,,2 4 22 22 24

6 27 23 23 34 3e JJ

'E#i5E'. E s **'s&If vESEElen.

EN 'l' Ell c!!'E.Tr

• OT-@

(D_j@[._Z.,l@

I Z !@

(Z_j@

l Of 0 l 0@10 i ouas s

O.n@- IN l@

IX l@

[X l9I9l 9I n

n u

v

.a n

a a

cAus:casemmon Ano ccancern actioxs @

m i The cause of this event was due to faulty control relay. No corrective g

i iii I action necessary as the surge capacitor was renewed.

First event of an i

m1 occurrence of this tvoe.

I intsil I

i.sssf f

hsI:fga#.*

'staN OT.te[A

%8Out' att s

.S C vtav 13Cs.r.t:3 I i i + l l_,E,,J@ l 01 01 0@l N

l L3j@l overator observation 1

e,jm,,,

eg.,s, i:

u as 44 i.

i i 4 e ! [ 21 @3 as ag.g y g1. z.j@l

,y;,.NT * &CT1% afv

' LOCA7.;g ceagtgagg etLiast N/A I

l N/A I

4 Pin 90%%E L I**0$L'8 I F11 010IOk h,ts@l N/A I

w...

en erse..v.es

~

...,.,,,.,,.. =..,

si sen....cs @

w v i.

lilIlel0lOl@l N/A.

t

'e sa t,oas,e* ea *yy.<;o o it- @

l F1 (_Z]@l N/A l

.,,,)@y,,...

..s @ A sac tst ent.

[_1 l

N/A I lt t i rtr: i t!l

a l

u

.a i

w.tasnat Aata Nocer 604 ) 795-6486

. oss v - (SEE ATTAC11ED SUPPLEMENTARY INFORMATION S11EET) 2 2 7-0 h*Q --